Finfish Hatchery Management

Teacher

Sambid Swain

Category

Core Courses

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Course Name : Finfish Hatchery Management

Code(Credit) : FSAQ 3105 (2-1-0)

Course Objectives

To learn seed production and hatchery management of commercially important cultivable fishes.

Course Outcomes

COs Course outcome Mapping COs with POs
CO-1 Understand about seed production of commercially important cultivable fishes. PO1, PO2, PO5,
CO-2 Determine the different breeding techniques and its operation of commercially important fish species PO1, PO2, PO5,
CO-3 Understand about different types of hatcheries, its operation and management PO1, PO2, PO8
CO-4 Knows the reproductive biology of IMC PO1, PO5

 

PO1: Knowledge enhancement

PO2: Professional and Entrepreneurial Skill development

PO5 : Environment and Sustainability

PO8: Team Work

Course Syllabus

Theory
Freshwater and marine fish seed resources. Natural breeding of finfishes. Selection of riverine spawn collection sites, gears used and methods of collection. Spawn quality and quantity indices. Advantages and disadvantages of riverine seed collection. Sexual maturity and breeding season of various cultivable species. Development of gametes in male and female. Fish egg and embryonic development. Methods of breeding; bundh breeding - wet and dry bundhs, collection and hatching of eggs, factors involved in bundh breeding, advantages and disadvantages of bundh breeding. Induced breeding of warmwater finfishes, environmental factors affecting spawning, sympathetic breeding. Hypophysation of fishes. Fish pituitary gland – its structure, collection, preservation and preparation of extract for injection, dosages and methods of injection. Brood-stock management and transportation of brood fish. Synthetic hormones used for induced breeding of carps. Different types
of fish hatcheries-traditional, Chinese, glass jar and modern controlled hatcheries. Causes of mortalities of eggs and spawn and remedies. Spawn rearing techniques. Use of anesthetics in fish breeding and transport. Breeding techniques for Indian major carps, exotic carps, mahaseers, trouts,
tilapias, catfishes, grey-mullets, milk fish, pearl spot, sea bass, sea hourse, groupers, pacu, cobia, pompanos and indigenous fishes, etc. Off-season andmultiple breeding of carps. Reproductive Biology of IMC, Development, maturation and maintainance of gonads, anatomy of gonads, developmental
stages, endocrine control of reproduction, cryopreservation of fish gametes.

Practicals
Study of maturity stages in fishes. Collection and preservation of fish pituitary gland, preparation of PG extract, Hypophysation. Calculation of fecundity. Brood-stock maintenance and selection of breeders for injection. Histological studies of ovary and testes. Different fish hatchery systems, study of fish eggs and embryonic developmental stages. Identification of eggs, spawn, fry and
fingerlings of different species. Preparation and management of fish nursery. Fish seed and brood- stock transportation, use of anesthetics, disinfectants and antibiotics in fish breeding. Water quality monitoring in fish hatcheries and nurseries. Breeding and larval rearing of common finfishes.

Suggested Books
1. Breeding and Seed Production of Finfish and Shellfish- P.C. Thomas
2. Aquaculture: Principles and Practices - T.V.R.Pillay
3.Freshwater Aquaculture - R.K.Rath
4.Handbook of Fisheries and Aquaculture - ICAR publication

Session Plan

Session 1

Freshwater and marine fish seed resources. Natural breeding of finfishes. Selection of riverine spawn collection sites, gears used and methods of collection.

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Session 2 and 3

Spawn quality and quantity indices. Advantages and disadvantages of riverine seed collection. Sexual maturity and breeding season of various cultivable species.

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Session 4

Practical

Study of maturity stages in fishes. Collection and preservation of fish pituitary gland.

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Session 5 and 6

Development of gametes in male and female. Fish egg and embryonic development.

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Session 7

Methods of breeding; bundh breeding - wet and dry bundhs

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Session 8 and 9

Practical

Preparation of PG extract, Hypophysation and Calculation of fecundity.

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Session 10 and 11

Collection and hatching of eggs, factors involved in bundh breeding, advantages and disadvantages of bundh breeding.

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Session 12

Induced breeding of warmwater finfishes, environmental factors affecting spawning, sympathetic breeding.

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Session 13

Practical

Brood-stock maintenance and selection of breeders for injection and Histological studies of ovary and testes.

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Session 14 and 15

Hypophysation of fishes. Fish pituitary gland – its structure, collection, preservation and preparation of extract for injection, dosages and methods of injection.

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Session 16 and 17

Brood-stock management and transportation of brood fish.

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Session 18

Practical

Different fish hatchery systems, study of fish eggs and embryonic developmental stages.

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Session 19

Synthetic hormones used for induced breeding of carps.

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Session 20,21,22 and 23

Different types of fish hatcheries-traditional, Chinese, glass jar and modern controlled hatcheries.

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Session 24

Practical

Different fish hatchery systems, study of fish eggs and embryonic developmental stages.

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Session 25 and 26

Causes of mortalities of eggs and spawn and remedies.

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Session 27

Spawn rearing techniques.

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Session 28 and 29

Practical

Identification of eggs, spawn, fry and fingerlings of different species and Preparation and management of fish nursery.

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Session 30

Use of anesthetics in fish breeding and transport.

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Session 31 and 32

Breeding techniques for Indian major carps and exotic carps

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Session 33,34 and 35

Practical

Disinfectants and antibiotics in fish breeding and Water quality monitoring in fish hatcheries and nurseries.

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Session 36 and 37

Breeding techniques of mahaseers and trouts

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Session 38 and 39

Breeding techniques of tilapias and catfishes,

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Session 40 and 41

Practical

Breeding and larval rearing of common finfishes-Pangasius

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Session 42,43 and 44

Breeding techniques of grey-mullets, milk fish, pearl spot, sea bass and  sea horse

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Session 45

Breeding techniques of groupers, pacu, cobia, pompanos and indigenous fishes. Off-season and multiple breeding of carps.

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Session 46

Practical

Breeding and larval rearing of common finfishes-Tilapia

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Session 47

Reproductive Biology of IMC, Development, maturation and maintenance of gonads, anatomy of gonads, developmental stages, endocrine control of reproduction,

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Session 48

Cryopreservation of fish gametes.

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Our Main Teachers

Sambid Swain

Associate Professor
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